document.write( "Question 852457: If tap A fills the tank in 10 hours, tap b empties the same tank in 22 hours. In what time the tank will be filled when both inlet and outlet is open? \n" ); document.write( "
Algebra.Com's Answer #513385 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi,
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document.write( "Let x represent time when both are open
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document.write( " 1/10 - 1/22 = 1/x     |Multiplying thru by 220x so as all denominators = 1
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document.write( "  22x - 10x = 220
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document.write( "      12x = 220
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document.write( "        x = 220/12 = 18 1⁄3 hr, time to fill when both are open  \n" );
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